Thirty-five years ago, the Hubble Space Telescope was launched into orbit. It's been sending back galactic data and images ...

April 21 - 28 is International Dark Sky Week, a global celebration of the night sky during which like-minded organizations ...

In a close-up of the Rosette Nebula — a stellar nursery 5,200 light-years away — dark clouds of gas and dust are seen being carved by radiation from massive stars. A young star at the upper right is ...

This gas needs an enormous amount of energy to shine — more than normal stars can supply. The discovery, based on data from ...

A stunning new photograph of the Andromeda Galaxy has unveiled the vast, glowing gases that surround this majestic spiral ...

From spellbinding images to groundbreaking scientific discoveries, we look back on some of Hubble's most exciting milestones.